Description
The __hash_open function in hash.c:229 in Mozilla Network Security Services (NSS) allows context-dependent attackers to cause a denial of service (floating point exception and crash) via a crafted cert8.db file.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | nss | No fix yet | — |
| Debian 13 | nss | No fix yet | — |
| Debian 12 | nss | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | nss | No fix yet | — |
| Ubuntu Pro 16.04 LTS | nss | No fix yet | — |
| Ubuntu Pro 14.04 LTS | nss | No fix yet | — |
References
- 1039153 vdb-entry
- 100345 vdb-entry
- http://www.geeknik.net/9brdqk6xu
- http://packetstormsecurity.com/files/143735/NSS-Buffer-Overflows-Floating-Point-Exception.html
- 20170811 Multiple unpatched flaws exist in NSS (CVE-2017-11695, CVE-2017-11696, CVE-2017-11697, CVE-2017-11698) mailing-list
- GLSA-202003-37 vendor-advisory